APA (7. basım) Alıntı

Dagum, L. I. (1997). Recycling towards a sustainable future. Manila Bulletin.

Chicago Style (17. basım) Atıf

Dagum, Lovelee I. "Recycling Towards a Sustainable Future." Manila Bulletin 1997.

MLA (9th ed.) Atıf

Dagum, Lovelee I. "Recycling Towards a Sustainable Future." Manila Bulletin, 1997.